Riyad as-Salihin

Riyad as-Salihin 1742

Prohibition of Describing the Charms of a Woman to a man without a valid reason approved by the Shari'ah
Arabic hadith text
عن ابن مسعود رضي الله عنه قال‏:‏ قال رسول الله صلى الله عليه وسلم ‏:‏ ‏"‏لا تباشر المرأة المرأة، فتصفها لزوجها كأنه ينظر إليها‏"‏ ‏(‏‏(‏متفق عليه‏)‏‏)‏‏.‏
Translation
Ibn Mas'ud (May Allah be pleased with him) said

The Messenger of Allah (ﷺ) said, "No woman should touch another woman's body and then describe the details of her figure to her husband in such a manner as if he was looking at her."[Al- Bukhari].